CN112957822A - Structure for conveying and separating clay, slag and soil through chain steel mesh - Google Patents
Structure for conveying and separating clay, slag and soil through chain steel mesh Download PDFInfo
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- CN112957822A CN112957822A CN202110200550.8A CN202110200550A CN112957822A CN 112957822 A CN112957822 A CN 112957822A CN 202110200550 A CN202110200550 A CN 202110200550A CN 112957822 A CN112957822 A CN 112957822A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
- B01D36/045—Combination of filters with centrifugal separation devices
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Abstract
The invention discloses a structure for conveying and separating clay and muck through a chain steel mesh, which comprises a separation device main body, wherein a slurry discharge pipe is arranged on the top end surface of the separation device main body, a distributor is arranged at the bottom end of the slurry discharge pipe, a transmission device is arranged at the bottom side of the distributor, a mesh grid is arranged on one side of the distributor, a head rotating wheel is arranged at one end of the transmission device, a tail rotating wheel is arranged at the other end of the transmission device, mesh belts are arranged on the surfaces of the head rotating wheel and the tail rotating wheel, mesh surface flushing pipes are arranged on the inner sides of the mesh belts, and a slurry storage pool is arranged. According to the invention, the separation device main body is arranged, so that the residue soil, the clay blocks and the slurry can be directly separated, the separated slurry can be conveniently and directly placed into the slurry storage tank to be discharged, the adopted structure is simpler, the later maintenance, the overhaul and the transportation are convenient, and the separated residue soil and slurry can be conveniently treated in the next process.
Description
Technical Field
The invention relates to the field of civil construction, in particular to a structure for conveying and separating clay, slag and soil by using a chain steel mesh.
Background
In the current tunnel construction, a shield machine is usually adopted for excavation, the process of excavation generally involves the treatment of slurry, which is mainly beneficial to the lubrication of the shield machine and the rock wall in the tunnel and the reduction of the abrasion of the shield machine, and the used slurry can be continuously recycled and reused, so that the effects of high-speed and high-efficiency construction use and cost reduction are ensured.
However, the existing slurry treatment methods generally have major defects, for example, the existing slurry treatment method is that a corning-mart MTP-800 type device is selected as a tunnel tunneling slurry treatment device of Zhoushu, the primary screen is a 1.8m by 3.3m double-layer vibrating screen, a large amount of clay blocks (with the granularity of 50mm-150mm) contained in the slag discharging slurry during production are stuck on the primary screen surface to block the screen holes, so that the slurry and the slag soil are directly discharged into a slag dump from the primary screen. In order to solve the problem, technicians try to increase the gap between the primary screen slots to 30mm, the effect is not achieved, the phenomenon of slurry leakage still exists, sticky mud masses enter a primary cyclone to block the cyclone, the cyclone which can originally separate 1-3mm particles is disabled, and the quality of slurry is continuously reduced, so that the design of equipment capable of well processing slurry circulation is the trend in the tunnel construction process at present.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a structure for conveying and separating clay and residue soil by using a chain steel mesh.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention relates to a structure for conveying and separating clay and muck by a chain steel mesh, which comprises a separating device main body, wherein a slurry discharge pipe is arranged on the top end surface of the separating device main body, a distributor is arranged at the bottom end of the slurry discharge pipe, a transmission device is arranged at the bottom side of the distributor and is arranged in the separating device main body, a mesh grid is arranged on one side of the distributor and is arranged on the inner wall of the separating device main body and is vertical to the transmission device, a head rotating wheel is arranged at one end of the transmission device, a tail rotating wheel is arranged at the other end of the transmission device, mesh belts are arranged on the surfaces of the head rotating wheel and the tail rotating wheel, a mesh surface brushing pipe is arranged on the inner side of the mesh belts, a slurry storage tank is arranged at the inner bottom end of the separating device main body, a water outlet pipe is, and a swirler is installed at one end of the slurry pump.
As a preferred technical solution of the present invention, the surface of the separation device body is provided with a driving motor for driving the tail rotating wheel and the head rotating wheel, the tail rotating wheel and the head rotating wheel are respectively and fixedly connected with the separation device body, the bottom side of the head rotating wheel is provided with a scraper, the scraper and the mesh belt are vertically arranged, and the scraper and the separation device body are fixedly connected.
As a preferable technical scheme of the invention, the mesh surface scouring pipe is fixedly connected with the separation device main body, is positioned on one side of the inner side of the mesh belt close to the tail rotating wheel, and has a linear distance of 10-20cm from the tail rotating wheel.
As a preferred technical scheme of the invention, the water outlet pipe is fixedly connected with the separation device main body, the slurry pump is respectively and fixedly connected with the water outlet pipe and the cyclone, and a connecting pipeline is arranged between the slurry pump and the cyclone.
As a preferable technical scheme of the invention, the inclination angle of the mesh belt is 6-8 degrees, the transmission speed of the mesh belt is 0.8-1.5 m/s, the length of the mesh belt is 3.2-3.5 m, and the width of the mesh belt is 1.5 m.
As a preferred technical scheme of the invention, the mesh belt consists of steel meshes, holes are arranged on the surfaces of the steel meshes, and the area size of the holes is 9cm2-16cm2And the distance between the steel nets is a, wherein the value range of a is 50.8mm-63.5 mm.
As a preferred technical scheme of the invention, the bottom end of the pulp storage tank is provided with a bent steel plate which is fixedly connected with the main body of the separation device respectively, and the bottom end is provided with a closed cavity.
As a preferred technical scheme of the invention, the bottom end of the curved steel plate is provided with a vibrator, the vibrator is positioned in the closed cavity, and the vibrator is fixedly connected with the curved steel plate and the separating device main body respectively.
Compared with the prior art, the invention has the following beneficial effects:
1: according to the invention, the separation device main body is arranged, so that the residue soil, the clay blocks and the slurry can be directly separated, the separated slurry can be conveniently and directly placed into the slurry storage tank to be discharged, the adopted structure is simpler, the later maintenance, the overhaul and the transportation are convenient, and the separated residue soil and slurry can be conveniently treated in the next process.
2: the invention arranges the bending steel plate on the basis of the main body of the separating device, so that the separated slurry can quickly reach the position near the water outlet pipe through the bending steel plate and the vibrator, and the slurry discharge pipe can be convenient to increase the discharge rate of the slurry storage tank.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic sectional view showing the structure of example 1;
FIG. 2 is a schematic representation of the belt structure of example 1;
FIG. 3 is a schematic sectional view of the structure of example 2;
FIG. 4 is a schematic sectional view showing the structure of example 3;
in the figure: 1. a separation device main body; 2. a slurry discharge pipe; 3. a dispenser; 4. a transmission device; 5. a mesh grid; 6. a head rotating wheel; 7. a tail rotating wheel; 8. a mesh belt; 9. washing the pipe with the net surface; 10. a pulp storage tank; 11. a water outlet pipe; 12. a pulp pump; 13. a swirler; 14. a squeegee; 15. bending a steel plate; 16. a vibrator.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1
As shown in fig. 1-2, the invention provides a structure for conveying and separating clay and residue soil by a chain steel mesh, which comprises a separation device main body 1, a slurry discharge pipe 2 is arranged on the top end surface of the separation device main body 1, a distributor 3 is arranged at the bottom end of the slurry discharge pipe 2, a transmission device 4 is arranged at the bottom side of the distributor 3, the transmission device 4 is arranged in the separation device main body 1, a mesh grid 5 is arranged at one side of the distributor 3, the mesh grid 5 is arranged on the inner wall of the separation device main body 1 and is vertical to the transmission device 4, a head rotating wheel 6 is arranged at one end of the transmission device 4, a tail rotating wheel 7 is arranged at the other end of the transmission device 4, a mesh belt 8 is arranged on the surfaces of the head rotating wheel 6 and the tail rotating wheel 7, a mesh surface brushing pipe 9 is arranged at the inner side of the mesh belt 8, a slurry storage tank 10, one end of the water outlet pipe 11 is provided with a slurry pump 12, and one end of the slurry pump 12 is provided with a cyclone 13.
Further, the surface of the separating device body 1 is provided with a driving motor for driving the tail rotating wheel 7 and the head rotating wheel 6, the tail rotating wheel 7 and the head rotating wheel 6 are respectively and fixedly connected with the separating device body 1, the bottom side of the head rotating wheel 6 is provided with a scraper 14, the scraper 14 and the mesh belt 8 are vertically arranged, and the scraper 14 and the separating device body 1 are fixedly connected.
The mesh surface scouring pipe 9 is fixedly connected with the separating device main body 1, is positioned on one side of the inner side of the mesh belt 8 close to the tail rotating wheel 7, and has a linear distance of 10-20cm from the tail rotating wheel 7.
The water outlet pipe 11 is fixedly connected with the separating device main body 1, the slurry pump 12 is respectively fixedly connected with the water outlet pipe 11 and the cyclone 13, and a connecting pipeline is arranged between the slurry pump 12 and the cyclone 13.
The inclination angle of the mesh belt 8 is 6 degrees to 8 degrees, the transmission speed of the mesh belt 8 is 0.8m/s to 1.5m/s, the length of the mesh belt 8 is 3.2m to 3.5m, and the width of the mesh belt 8 is 1.5 m.
The mesh belt 8 is composed of steel mesh, holes are arranged on the surface of the steel mesh, and the area size of the holes is 9cm2-16cm2The distance between the steel nets is a, wherein the value range of a is 50.8mm-63.5 mm.
Specifically, a user mainly controls a driving motor to drive through a switch module on the surface of a separation device main body 1, after a slurry discharge pipe 2 is started to discharge slurry, primary slurry is dispersedly sprayed out through a distributor 3 at the bottom end, a transmission device 4 of the slurry discharge pipe is driven by the driving motor and is driven to rotate towards a head rotating wheel 6 through a tail rotating wheel 7, the slurry discharge pipe 2 mainly falls onto the surface of a mesh belt 8 of the transmission device 4, slurry of muck and clay blocks on the surface of the mesh belt is attached to holes of the mesh belt 8, the slurry falls into a slurry storage tank 10 at the bottom end and is pumped into a cyclone 13 through a water outlet pipe 11 and a slurry pump 12 at the bottom side to carry out the next process, the muck and clay blocks on the mesh belt 8 are transmitted to the outer side through the separation device main body 1 after being driven by the driving motor, and finally the muck and clay blocks on the mesh belt 8 are scraped through a scraper 14 at the bottom.
Wherein in the concrete construction process, the size of the holes of the steel mesh is selected to be 9cm according to the size of clay discharge particles and factors such as the structure of a mesh belt 8 and the like2-16cm2Chain pitch a: 50.8mm or 63.5mm, the conveying capacity of the stock discharge pipe 2 is determined to be 4.5m3Min, shield tunneling slurry discharge amount 900-3H, the tunneling speed is 25mm-40mm/min, and the amount of the residue soil is 2.7m3/min-4.2m3Mesh belt/minThe conveying speed of 8 is 1-1.2 m/s.
If the width of the cloth falling from the distributor 3 to the mesh belt 8 is 1m and the thickness is 0.8m, the conveying speed of the mesh belt 8 is preferably 1m/s, and the conveying capacity is checked:
1m*0.08m*1m/s*60s＝4.8m3/min；
theoretically, the width of the cloth is 1m, the thickness is 0.08m, the conveying capacity is met, the uneven distribution of the residue soil and the slurry discharge of peripheral meshes are considered, and the optimal width of the mesh belt 8 is 1.5 m;
slurry enters a range within 71 meters from a distributor 3 into a tail rotating wheel, a large amount of slurry falls into a slurry storage tank 10, part of slurry moves upwards and simultaneously falls into the slurry storage tank 10 from the periphery of a mesh belt 8, the inclination angle of the mesh belt 8 is 6-8 degrees, theoretically, the gravity flow velocity of water on the slope is 2m/s, the belt speed is-1 m/s, the actual slurry flow velocity is 1m/s, the impact of slurry residue soil falling on the mesh belt and unstable chain transmission cause the mesh belt to shake or vibrate, the slurry falling is facilitated, the slurry falling time is selected to be 3s, and the length of the conveyor belt is determined: 3.2m-3.5 m;
the power of the mesh belt 8 is preferably 8 ° due to its inclination angle;
1. traction force F (KN) ═ F1+ F2 ═ 1.89(KN)
F1, frictional resistance; f2: a traction component force;
(1) f1 friction resistance, wherein the friction resistance coefficient is 0.2;
F1＝m*cos8°*0.2＝1110N；
m is the load mass;
m 3.5m 1m 0.08m 20 ton/m 3
＝5600N；
(2) Traction force component F2
F2＝m*cos8°＝780N；
2. The speed v is 1m/s is 60 m/min;
3. the transmission efficiency coefficient of the motor power P is equal to 0.8;
P＝F*V/60/η
＝1.89*60/60/0.8＝2.36kw；
therefore, the optimal power of the driving motor is 4kw, namely, the initial slurry falling into the separation device main body 1 can be ensured to be separated by the separation device main body 1, thereby further increasing the quality of the discharged slurry and lightening the burden of the next process.
Example 2
As shown in fig. 3, the bottom end of the slurry storage tank 10 is provided with a bent steel plate 15, the bent steel plate 15 is fixedly connected with the separation device main body 1, and the bottom end of the slurry storage tank is provided with a closed cavity, so that slurry falling into the inside of the slurry storage tank 10 can be more rapidly close to the water outlet pipe 11, the discharge speed of the water outlet pipe 11 is increased, the influence of the liquid level shaking of the inside slurry on the water outlet pipe 11 is reduced, the air sucked by the slurry pump 12 is reduced, and other structures are the same as those in embodiment 1.
Example 3
As shown in fig. 4, the bottom end of the curved steel plate 15 is provided with a vibrator 16, the vibrator 16 is located inside the closed cavity, the vibrator 16 is fixedly connected with the curved steel plate 15 and the separating device body 1, respectively, the vibrator 16 is arranged on the side of the curved steel plate 15 close to the highest position, so that the liquid retained at the highest position can be quickly vibrated and dropped to the vicinity of the water outlet pipe 11, the mud is prevented from being agglomerated with each other, the dirt is formed in the past for a long time, meanwhile, the fluidity of the mud can be increased due to the effect of high-point small-amplitude vibration, the flow of the mud is further increased, and the water outlet efficiency of the water outlet pipe 11 is.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a chain steel mesh conveying separation clay dregs structure, includes separator main part (1), its characterized in that, separator main part's (1) top surface mounting has row thick liquid pipe (2), arrange the bottom of thick liquid pipe (2) and install distributor (3), transmission (4) are installed to the bottom side of distributor (3), and its transmission (4) set up inside separator main part (1), one side of distributor (3) is provided with net bars (5), and net bars (5) install in separator main part (1) inner wall, and be perpendicular setting with transmission (4), prelude rotating wheel (6) is installed to the one end of transmission (4), afterbody rotating wheel (7) is installed to the other end of transmission (4), and its prelude rotating wheel (6) and afterbody rotating wheel (7) surface mounting have guipure (8), net twine face washing pipe (9) are installed to guipure (8) inboard, the inside bottom of separator main part (1) is provided with stores up thick liquid pond (10), outlet pipe (11) are installed to the one end of storing up thick liquid pond (10), stuff pump (12) are installed to the one end of outlet pipe (11), swirler (13) are installed to the one end of stuff pump (12).
2. The structure for conveying and separating clay and residue through the chain steel mesh as claimed in claim 1, wherein the surface of the separation device body (1) is provided with a driving motor for driving the tail rotating wheel (7) and the head rotating wheel (6), the tail rotating wheel (7) and the head rotating wheel (6) are respectively and fixedly connected with the separation device body (1), the bottom side of the head rotating wheel (6) is provided with a scraper (14), the scraper (14) and the mesh belt (8) are vertically arranged, and the scraper (14) and the separation device body (1) are fixedly connected.
3. The structure for conveying and separating clay and residue through the steel mesh of the chain as claimed in claim 1, wherein the mesh surface scouring pipe (9) is fixedly connected with the separation device main body (1), is positioned on one side of the inner side of the mesh belt (8) close to the tail rotating wheel (7), and has a linear distance of 10-20cm from the tail rotating wheel (7).
4. The structure for conveying and separating clay and residue through the chain steel mesh as claimed in claim 1, wherein the water outlet pipe (11) is fixedly connected with the separation device body (1), the slurry pump (12) is fixedly connected with the water outlet pipe (11) and the cyclone (13), and a connecting pipeline is arranged between the slurry pump (12) and the cyclone (13).
5. The structure for conveying and separating clay and residue through the steel mesh of the chain as claimed in claim 1, wherein the inclination angle of the mesh belt (8) is 6 degrees to 8 degrees, the transmission speed of the mesh belt (8) is 0.8m/s to 1.5m/s, the length of the mesh belt (8) is 3.2m to 3.5m, and the width of the mesh belt (8) is 1.5 m.
6. A structure of conveying and separating clay and residue through steel mesh of chain as claimed in claim 5, wherein the mesh belt (8) is made of steel mesh, the surface of the steel mesh is provided with holes, the area size of the holes is 9cm2-16cm2And the distance between the steel nets is a, wherein the value range of a is 50.8mm-63.5 mm.
7. The structure for conveying and separating clay and residue through the chain steel mesh as claimed in claim 1, wherein the bottom end of the slurry storage tank (10) is provided with a bent steel plate (15), the bent steel plate (15) is respectively fixedly connected with the separation device main body (1), and the bottom end is provided with a closed cavity.
8. The structure for conveying and separating clay and slag through steel mesh with chain as claimed in claim 7, wherein the bottom end of the curved steel plate (15) is provided with a vibrator (16), the vibrator (16) is located inside the closed cavity, and the vibrator (16) is fixedly connected with the curved steel plate (15) and the separating device body (1) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110200550.8A CN112957822A (en) | 2021-02-23 | 2021-02-23 | Structure for conveying and separating clay, slag and soil through chain steel mesh |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110200550.8A CN112957822A (en) | 2021-02-23 | 2021-02-23 | Structure for conveying and separating clay, slag and soil through chain steel mesh |
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| CN112957822A true CN112957822A (en) | 2021-06-15 |
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| CN202110200550.8A Pending CN112957822A (en) | 2021-02-23 | 2021-02-23 | Structure for conveying and separating clay, slag and soil through chain steel mesh |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017048A (en) * | 2021-10-25 | 2022-02-08 | 中铁隧道局集团有限公司 | Belt type tunnel bottom accumulated slag cleaning device and method based on TBM synchronous lining construction |
| CN114109412A (en) * | 2021-11-30 | 2022-03-01 | 中铁一局集团有限公司 | Slurry shield circulation system and method based on double crushers and double slurry discharge channels |
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| CN209464722U (en) * | 2019-01-31 | 2019-10-08 | 山西恒源高岭土有限公司 | A kind of sedimentation device preparing kaolin |
| CN212309080U (en) * | 2020-07-20 | 2021-01-08 | 康明克斯（北京）机电设备有限公司 | Shield tunneling machine mud separating equipment with perforated rubber conveying belt type mud-water separator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2014025567A1 (en) * | 2012-08-10 | 2014-02-13 | Halliburton Energy Services, Inc. | A method and apparatus for drilling and completion fluid separation |
| CN205349408U (en) * | 2015-12-29 | 2016-06-29 | 山东科技大学 | Equipment of putting is taken out to high -pressure coal mine gas of many units |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114017048A (en) * | 2021-10-25 | 2022-02-08 | 中铁隧道局集团有限公司 | Belt type tunnel bottom accumulated slag cleaning device and method based on TBM synchronous lining construction |
| CN114109412A (en) * | 2021-11-30 | 2022-03-01 | 中铁一局集团有限公司 | Slurry shield circulation system and method based on double crushers and double slurry discharge channels |
| CN114109412B (en) * | 2021-11-30 | 2024-05-10 | 中铁一局集团有限公司 | Slurry shield circulation system and method based on double crushers and double slurry channels |
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